The fraction 68/90 is equal to 75.56% when converted to a percentage. This means that if you had 90 items and took 68 of them, you'd have about three-quarters of the total. It's a bit more than 75%, which is why it's often used in situations where precision matters.
In everyday life, you might see this percentage used in various contexts. For example, a student who correctly answers 68 out of 90 questions on a test would score 75.56%. Or in sports, a basketball player who makes 68 out of 90 free throw attempts would have a free throw percentage of 75.56%. This fraction and its percentage equivalent are useful for comparing parts to wholes in many different scenarios.